44 FAUNA OF NEW ENGLAND, 



A. maculipennis Meigen {A. occidentalis Dyar and Knab). 

 Me.— Weld, July 25, 1910 (Dyar); Norcross, July, 1914 (Z. P. 

 Dyar); Mt. Desert, June 20; Oquossoc, June 30; South Poland, 



May (Shannon). 

 Mass. — Leverett, Oct. 8 (S. B. Freeborn). 



A. walkeri Theobald. 



Mass.— Westfield, Aug. 23, 1903 {Knab); Auburndale, Sept. 11, 

 1907. 



CORETHRINAB. 



Corethra Meigen. 

 C. cinctipes Coquillett. 



N. H. — Franconia {Mrs. Slosson); Hampton, June 13 {Shaw). 

 Mass.— Auburndale, May 28, 1905; Brookline, Aug. 23. Conn.— 

 Montonese, June. 



C. culiciformis (De Geer) {C. karnerensis Felt, 04-347; see Dyar 



and Shannon, 24-206). 

 N. H. — Franconia {Mrs. Slosson); Dublin {Busck). 

 Mass. — Brookline, June 11-Aug. 23. Conn. — Darien, May 27. 



C. fuliginosus Felt. 



Mass.— Mt. Tom, May 14; Springfield, July 18 {Knab). 



Chaoborus Lichtenstein (Sayomyia Coqiiillett) . 



C. albipes (Johannsen). 

 N. H. — Hampton, June 27 {Shaw). 



Mass. — Auburndale, May 28; Forest Hills, Aug. 12; Brookline, 

 Aug. 28; Topsfield. 



C. crystallina (De Geer); see Dyar and Shannon, 24- 210 {Cor- 

 ethra plumicornis var. americana Johannsen). 



Me.— Southwest Harbor, July 13. N. H.— Mt. Washington 

 {Mrs. Slosson). 



Mass. — Arlington, May 4, 1920 {Anderson). 



C. albatus Johnson, 21-11. 



Mass.— Brookline, June 18; Mt. Tom, July 14. CoNN.-^New 

 Haven, June 17. 



C. punctipennis Say. 

 N. H.— 11, 13. 



Mass.— 25, 26, 27, 28, 29. R. I.— 33. Conn.— 35. June 17- 

 Sept. 23. 



C. trivittatus Loew. 



Me. — Bar Harbor, Sept. 11. N. H. — Center Harbor; Hampton, 



Apr. 19-21 {Shaw). 

 Mass. — Worcester, Apr. 21-24 {Thompson); Framingham, Apr. 



25 {Frost). 



